Home / 909,030.70-1,363,546.05-403,396.30

Finding the Fourth Proportional to 909,030.70, 1,363,546.05 and 403,396.30

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Solution

The fourth proportional to 909,030.70, 1,363,546.05 and 403,396.30 is: 605,094.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,030.70 : 1,363,546.05 = 403,396.30 : x
  2. Step 2: Convert to fraction form
    909,030.70/1,363,546.05 = 403,396.30/x
  3. Step 3: Cross multiply
    909,030.70x = 1,363,546.05 × 403,396.30
  4. Step 4: Simplify right side
    909,030.70x = 550,049,431,449.62
  5. Step 5: Solve for x
    x = 550,049,431,449.62/909,030.70
  6. Step 6: Final answer
    x = 605,094.45

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.